NVIDIA L4 vs NVIDIA RTX A6000, AI & Machine Learning Comparison
NVIDIA RTX A6000 wins 9 of 9 benchmarks, averaging 131.2% faster.
Both cards were measured first-party on our bench, same suite, same test rig.
What the numbers say
The gap is widest in Qwen3-32B, where NVIDIA RTX A6000 leads by 159% (12.42 vs 32.18 tok/s); the closest fight is Stable Diffusion XL (93% apart); VRAM decides part of this one: NVIDIA RTX A6000 runs 138 of our 12 AI workloads while the other card runs 9, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA L4 | NVIDIA RTX A6000 | Difference |
|---|---|---|---|
| Qwen3-4B tok/s | 84 | 184.34 | -54% |
| Llama 3.1 8B tok/s | 50.45 | 124.87 | -60% |
| Qwen2.5-Coder 14B tok/s | 27.46 | 68.51 | -60% |
| Qwen3-32B tok/s | 12.42 | 32.18 | -61% |
| Llama 3.3 70B tok/s | 0 | 15.73 | n/a |
| Stable Diffusion XL images/min | 5.18 | 10.02 | -48% |
| Z-Image Turbo images/min | 2.475 | 5.4 | -54% |
| FLUX.1 dev images/min | 0 | 2.164 | n/a |
| FLUX.1 Kontext dev images/min | 0 | 1.05 | n/a |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA L4 is faster on 0 of 2; NVIDIA RTX A6000 on 2.
| Workflow | NVIDIA L4 | NVIDIA RTX A6000 | Difference | Cost per run |
|---|---|---|---|---|
| 24-frame storyboard | 12.2 min | 7.1 min | NVIDIA RTX A6000 1.73x faster | $0.089 vs $0.039 |
| Full codebase review | 36.4 min | 14.6 min | NVIDIA RTX A6000 2.49x faster | $0.267 vs $0.080 |
Renting by the hour, NVIDIA RTX A6000 finishes 2 of 2 cheaper. The quicker card is not automatically the cheaper way to get the work done.
Cost to rent
| Card | Per hour |
|---|---|
| NVIDIA L4 | $0.440 |
| NVIDIA RTX A6000 | $0.330 |
NVIDIA RTX A6000 is 1.33x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.
Specifications compared
| NVIDIA L4 | NVIDIA RTX A6000 | |
|---|---|---|
| VRAM | 24GB | 48GB |
| Architecture | Ada Lovelace | Ampere |
| Memory bandwidth | 300 GB/s | 768 GB/s |
| Boost clock | 2,040 MHz | 1,860 MHz |
| TDP | 72 W | 300 W |
| Launch MSRP | $2,500 | $4,650 |
| Release | 2023-03-21 | 2020-10-05 |
FAQ
- Which is better for ai & machine learning: NVIDIA L4 or NVIDIA RTX A6000?
- NVIDIA RTX A6000 performs better for ai & machine learning, winning 9 of 9 benchmarks in our suite with an average 131.2% advantage.
- What are the main hardware differences between NVIDIA L4 and NVIDIA RTX A6000?
- NVIDIA L4 has 24GB VRAM and a 72W TDP, while NVIDIA RTX A6000 has 48GB VRAM and a 300W TDP.
- Does VRAM matter more than speed between NVIDIA L4 and NVIDIA RTX A6000?
- For AI, yes, NVIDIA RTX A6000 fits 24 more of our 12 workloads than NVIDIA L4. A model that exceeds VRAM doesn't run slower, it doesn't run at all, so the card that fits the model wins that workload outright.
- Where is the biggest performance difference between NVIDIA L4 and NVIDIA RTX A6000?
- Qwen3-32B: NVIDIA RTX A6000 leads by roughly 159% (12.42 vs 32.18 tok/s) in our testing.
NVIDIA L4 full review · NVIDIA RTX A6000 full review · All AI & Machine Learning rankings